diff options
Diffstat (limited to 'third_party/aom/av1/common/x86/jnt_convolve_avx2.c')
-rw-r--r-- | third_party/aom/av1/common/x86/jnt_convolve_avx2.c | 704 |
1 files changed, 704 insertions, 0 deletions
diff --git a/third_party/aom/av1/common/x86/jnt_convolve_avx2.c b/third_party/aom/av1/common/x86/jnt_convolve_avx2.c new file mode 100644 index 000000000..ac1d2c9ca --- /dev/null +++ b/third_party/aom/av1/common/x86/jnt_convolve_avx2.c @@ -0,0 +1,704 @@ +/* + * Copyright (c) 2018, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <immintrin.h> + +#include "config/aom_dsp_rtcd.h" + +#include "aom_dsp/aom_convolve.h" +#include "aom_dsp/x86/convolve_avx2.h" +#include "aom_dsp/x86/convolve_common_intrin.h" +#include "aom_dsp/x86/convolve_sse4_1.h" +#include "aom_dsp/aom_dsp_common.h" +#include "aom_dsp/aom_filter.h" +#include "av1/common/convolve.h" + +void av1_jnt_convolve_x_avx2(const uint8_t *src, int src_stride, uint8_t *dst0, + int dst_stride0, int w, int h, + InterpFilterParams *filter_params_x, + InterpFilterParams *filter_params_y, + const int subpel_x_q4, const int subpel_y_q4, + ConvolveParams *conv_params) { + CONV_BUF_TYPE *dst = conv_params->dst; + int dst_stride = conv_params->dst_stride; + const int bd = 8; + int i, j; + const int fo_horiz = filter_params_x->taps / 2 - 1; + const uint8_t *const src_ptr = src - fo_horiz; + const int bits = FILTER_BITS - conv_params->round_1; + const int w0 = conv_params->fwd_offset; + const int w1 = conv_params->bck_offset; + const __m256i wt0 = _mm256_set1_epi16(w0); + const __m256i wt1 = _mm256_set1_epi16(w1); + const __m256i wt = _mm256_unpacklo_epi16(wt0, wt1); + const int do_average = conv_params->do_average; + const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg; + const int offset_0 = + bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + const int offset = (1 << offset_0) + (1 << (offset_0 - 1)); + const __m256i offset_const = _mm256_set1_epi16(offset); + const int rounding_shift = + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1); + __m256i filt[4], coeffs[4]; + + assert(bits >= 0); + assert(conv_params->round_0 > 0); + + filt[0] = _mm256_load_si256((__m256i const *)filt1_global_avx2); + filt[1] = _mm256_load_si256((__m256i const *)filt2_global_avx2); + filt[2] = _mm256_load_si256((__m256i const *)filt3_global_avx2); + filt[3] = _mm256_load_si256((__m256i const *)filt4_global_avx2); + + prepare_coeffs_lowbd(filter_params_x, subpel_x_q4, coeffs); + + const __m256i round_const = + _mm256_set1_epi16((1 << (conv_params->round_0 - 1)) >> 1); + const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_0 - 1); + + (void)filter_params_y; + (void)subpel_y_q4; + + for (i = 0; i < h; i += 2) { + for (j = 0; j < w; j += 8) { + const __m256i data = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(&src_ptr[i * src_stride + j]))), + _mm256_castsi128_si256(_mm_loadu_si128( + (__m128i *)(&src_ptr[i * src_stride + j + src_stride]))), + 0x20); + + __m256i res = convolve_lowbd_x(data, coeffs, filt); + + res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const), round_shift); + + res = _mm256_slli_epi16(res, bits); + + const __m256i res_unsigned = _mm256_add_epi16(res, offset_const); + + // Accumulate values into the destination buffer + if (do_average) { + const __m256i data_ref_0 = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]))), + _mm256_castsi128_si256(_mm_loadu_si128( + (__m128i *)(&dst[i * dst_stride + j + dst_stride]))), + 0x20); + + const __m256i comp_avg_res = + comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_comp_avg); + + const __m256i round_result = convolve_rounding( + &comp_avg_res, &offset_const, &rounding_const, rounding_shift); + + const __m256i res_8 = _mm256_packus_epi16(round_result, round_result); + const __m128i res_0 = _mm256_castsi256_si128(res_8); + const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); + + if (w > 4) { + _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); + _mm_storel_epi64( + (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); + } else { + *(uint32_t *)(&dst0[i * dst_stride0 + j]) = _mm_cvtsi128_si32(res_0); + *(uint32_t *)(&dst0[i * dst_stride0 + j + dst_stride0]) = + _mm_cvtsi128_si32(res_1); + } + } else { + const __m128i res_0 = _mm256_castsi256_si128(res_unsigned); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0); + + const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), + res_1); + } + } + } +} + +void av1_jnt_convolve_y_avx2(const uint8_t *src, int src_stride, uint8_t *dst0, + int dst_stride0, int w, int h, + InterpFilterParams *filter_params_x, + InterpFilterParams *filter_params_y, + const int subpel_x_q4, const int subpel_y_q4, + ConvolveParams *conv_params) { + CONV_BUF_TYPE *dst = conv_params->dst; + int dst_stride = conv_params->dst_stride; + const int bd = 8; + int i, j; + const int fo_vert = filter_params_y->taps / 2 - 1; + const uint8_t *const src_ptr = src - fo_vert * src_stride; + // +1 to compensate for dividing the filter coeffs by 2 + const int left_shift = FILTER_BITS - conv_params->round_0 + 1; + const __m256i round_const = + _mm256_set1_epi32((1 << conv_params->round_1) >> 1); + const __m128i round_shift = _mm_cvtsi32_si128(conv_params->round_1); + const int w0 = conv_params->fwd_offset; + const int w1 = conv_params->bck_offset; + const __m256i wt0 = _mm256_set1_epi16(w0); + const __m256i wt1 = _mm256_set1_epi16(w1); + const __m256i wt = _mm256_unpacklo_epi16(wt0, wt1); + const int do_average = conv_params->do_average; + const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg; + const int offset_0 = + bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + const int offset = (1 << offset_0) + (1 << (offset_0 - 1)); + const __m256i offset_const = _mm256_set1_epi16(offset); + const int offset_1 = (1 << (bd + FILTER_BITS - 2)); + const __m256i offset_const_1 = _mm256_set1_epi16(offset_1); + const __m256i offset_const_2 = _mm256_set1_epi16((1 << offset_0)); + const int rounding_shift = + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1); + const __m256i zero = _mm256_setzero_si256(); + __m256i coeffs[4], s[8]; + + assert((FILTER_BITS - conv_params->round_0) >= 0); + + prepare_coeffs_lowbd(filter_params_y, subpel_y_q4, coeffs); + + (void)conv_params; + (void)filter_params_x; + (void)subpel_x_q4; + + for (j = 0; j < w; j += 16) { + const uint8_t *data = &src_ptr[j]; + __m256i src6; + + // Load lines a and b. Line a to lower 128, line b to upper 128 + const __m256i src_01a = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 0 * src_stride))), + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 1 * src_stride))), + 0x20); + + const __m256i src_12a = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 1 * src_stride))), + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 2 * src_stride))), + 0x20); + + const __m256i src_23a = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 2 * src_stride))), + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 3 * src_stride))), + 0x20); + + const __m256i src_34a = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 3 * src_stride))), + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 4 * src_stride))), + 0x20); + + const __m256i src_45a = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 4 * src_stride))), + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 5 * src_stride))), + 0x20); + + src6 = _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 6 * src_stride))); + const __m256i src_56a = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 5 * src_stride))), + src6, 0x20); + + s[0] = _mm256_unpacklo_epi8(src_01a, src_12a); + s[1] = _mm256_unpacklo_epi8(src_23a, src_34a); + s[2] = _mm256_unpacklo_epi8(src_45a, src_56a); + + s[4] = _mm256_unpackhi_epi8(src_01a, src_12a); + s[5] = _mm256_unpackhi_epi8(src_23a, src_34a); + s[6] = _mm256_unpackhi_epi8(src_45a, src_56a); + + for (i = 0; i < h; i += 2) { + data = &src_ptr[i * src_stride + j]; + const __m256i src_67a = _mm256_permute2x128_si256( + src6, + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 7 * src_stride))), + 0x20); + + src6 = _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 8 * src_stride))); + const __m256i src_78a = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(data + 7 * src_stride))), + src6, 0x20); + + s[3] = _mm256_unpacklo_epi8(src_67a, src_78a); + s[7] = _mm256_unpackhi_epi8(src_67a, src_78a); + + __m256i res_lo = convolve_lowbd(s, coeffs); + + res_lo = _mm256_add_epi16(res_lo, offset_const_1); + + const __m256i res_lo_0_32b = _mm256_unpacklo_epi16(res_lo, zero); + const __m256i res_lo_0_shift = + _mm256_slli_epi32(res_lo_0_32b, left_shift); + const __m256i res_lo_0_round = _mm256_sra_epi32( + _mm256_add_epi32(res_lo_0_shift, round_const), round_shift); + + const __m256i res_lo_1_32b = _mm256_unpackhi_epi16(res_lo, zero); + const __m256i res_lo_1_shift = + _mm256_slli_epi32(res_lo_1_32b, left_shift); + const __m256i res_lo_1_round = _mm256_sra_epi32( + _mm256_add_epi32(res_lo_1_shift, round_const), round_shift); + + const __m256i res_lo_round = + _mm256_packs_epi32(res_lo_0_round, res_lo_1_round); + + const __m256i res_lo_unsigned = + _mm256_add_epi16(res_lo_round, offset_const_2); + + if (w - j < 16) { + if (do_average) { + const __m256i data_ref_0 = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]))), + _mm256_castsi128_si256(_mm_loadu_si128( + (__m128i *)(&dst[i * dst_stride + j + dst_stride]))), + 0x20); + + const __m256i comp_avg_res = + comp_avg(&data_ref_0, &res_lo_unsigned, &wt, use_jnt_comp_avg); + + const __m256i round_result = convolve_rounding( + &comp_avg_res, &offset_const, &rounding_const, rounding_shift); + + const __m256i res_8 = _mm256_packus_epi16(round_result, round_result); + const __m128i res_0 = _mm256_castsi256_si128(res_8); + const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); + + if (w - j > 4) { + _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); + _mm_storel_epi64( + (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); + } else { + *(uint32_t *)(&dst0[i * dst_stride0 + j]) = + _mm_cvtsi128_si32(res_0); + *(uint32_t *)(&dst0[i * dst_stride0 + j + dst_stride0]) = + _mm_cvtsi128_si32(res_1); + } + } else { + const __m128i res_0 = _mm256_castsi256_si128(res_lo_unsigned); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0); + + const __m128i res_1 = _mm256_extracti128_si256(res_lo_unsigned, 1); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), + res_1); + } + } else { + __m256i res_hi = convolve_lowbd(s + 4, coeffs); + + res_hi = _mm256_add_epi16(res_hi, offset_const_1); + + const __m256i res_hi_0_32b = _mm256_unpacklo_epi16(res_hi, zero); + const __m256i res_hi_0_shift = + _mm256_slli_epi32(res_hi_0_32b, left_shift); + const __m256i res_hi_0_round = _mm256_sra_epi32( + _mm256_add_epi32(res_hi_0_shift, round_const), round_shift); + + const __m256i res_hi_1_32b = _mm256_unpackhi_epi16(res_hi, zero); + const __m256i res_hi_1_shift = + _mm256_slli_epi32(res_hi_1_32b, left_shift); + const __m256i res_hi_1_round = _mm256_sra_epi32( + _mm256_add_epi32(res_hi_1_shift, round_const), round_shift); + + const __m256i res_hi_round = + _mm256_packs_epi32(res_hi_0_round, res_hi_1_round); + + const __m256i res_hi_unsigned = + _mm256_add_epi16(res_hi_round, offset_const_2); + + if (do_average) { + const __m256i data_ref_0_lo = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]))), + _mm256_castsi128_si256(_mm_loadu_si128( + (__m128i *)(&dst[i * dst_stride + j + dst_stride]))), + 0x20); + + const __m256i data_ref_0_hi = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j + 8]))), + _mm256_castsi128_si256(_mm_loadu_si128( + (__m128i *)(&dst[i * dst_stride + j + 8 + dst_stride]))), + 0x20); + + const __m256i comp_avg_res_lo = + comp_avg(&data_ref_0_lo, &res_lo_unsigned, &wt, use_jnt_comp_avg); + + const __m256i comp_avg_res_hi = + comp_avg(&data_ref_0_hi, &res_hi_unsigned, &wt, use_jnt_comp_avg); + + const __m256i round_result_lo = convolve_rounding( + &comp_avg_res_lo, &offset_const, &rounding_const, rounding_shift); + + const __m256i round_result_hi = convolve_rounding( + &comp_avg_res_hi, &offset_const, &rounding_const, rounding_shift); + + const __m256i res_8 = + _mm256_packus_epi16(round_result_lo, round_result_hi); + const __m128i res_0 = _mm256_castsi256_si128(res_8); + const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); + + _mm_store_si128((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); + _mm_store_si128( + (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); + + } else { + const __m128i res_lo_0 = _mm256_castsi256_si128(res_lo_unsigned); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_lo_0); + + const __m128i res_lo_1 = _mm256_extracti128_si256(res_lo_unsigned, 1); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), + res_lo_1); + + const __m128i res_hi_0 = _mm256_castsi256_si128(res_hi_unsigned); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + 8]), res_hi_0); + + const __m128i res_hi_1 = _mm256_extracti128_si256(res_hi_unsigned, 1); + _mm_store_si128( + (__m128i *)(&dst[i * dst_stride + j + 8 + dst_stride]), res_hi_1); + } + } + s[0] = s[1]; + s[1] = s[2]; + s[2] = s[3]; + + s[4] = s[5]; + s[5] = s[6]; + s[6] = s[7]; + } + } +} + +void av1_jnt_convolve_2d_avx2(const uint8_t *src, int src_stride, uint8_t *dst0, + int dst_stride0, int w, int h, + InterpFilterParams *filter_params_x, + InterpFilterParams *filter_params_y, + const int subpel_x_q4, const int subpel_y_q4, + ConvolveParams *conv_params) { + CONV_BUF_TYPE *dst = conv_params->dst; + int dst_stride = conv_params->dst_stride; + const int bd = 8; + + DECLARE_ALIGNED(32, int16_t, im_block[(MAX_SB_SIZE + MAX_FILTER_TAP) * 8]); + int im_h = h + filter_params_y->taps - 1; + int im_stride = 8; + int i, j; + const int fo_vert = filter_params_y->taps / 2 - 1; + const int fo_horiz = filter_params_x->taps / 2 - 1; + const uint8_t *const src_ptr = src - fo_vert * src_stride - fo_horiz; + const int w0 = conv_params->fwd_offset; + const int w1 = conv_params->bck_offset; + const __m256i wt0 = _mm256_set1_epi16(w0); + const __m256i wt1 = _mm256_set1_epi16(w1); + const __m256i wt = _mm256_unpacklo_epi16(wt0, wt1); + const int do_average = conv_params->do_average; + const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg; + const int offset_0 = + bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + const int offset = (1 << offset_0) + (1 << (offset_0 - 1)); + const __m256i offset_const = _mm256_set1_epi16(offset); + const int rounding_shift = + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1); + __m256i filt[4], s[8], coeffs_x[4], coeffs_y[4]; + + assert(conv_params->round_0 > 0); + + filt[0] = _mm256_load_si256((__m256i const *)filt1_global_avx2); + filt[1] = _mm256_load_si256((__m256i const *)filt2_global_avx2); + filt[2] = _mm256_load_si256((__m256i const *)filt3_global_avx2); + filt[3] = _mm256_load_si256((__m256i const *)filt4_global_avx2); + + prepare_coeffs_lowbd(filter_params_x, subpel_x_q4, coeffs_x); + prepare_coeffs(filter_params_y, subpel_y_q4, coeffs_y); + + const __m256i round_const_h = _mm256_set1_epi16( + ((1 << (conv_params->round_0 - 1)) >> 1) + (1 << (bd + FILTER_BITS - 2))); + const __m128i round_shift_h = _mm_cvtsi32_si128(conv_params->round_0 - 1); + + const __m256i round_const_v = _mm256_set1_epi32( + ((1 << conv_params->round_1) >> 1) - + (1 << (bd + 2 * FILTER_BITS - conv_params->round_0 - 1))); + const __m128i round_shift_v = _mm_cvtsi32_si128(conv_params->round_1); + + for (j = 0; j < w; j += 8) { + /* Horizontal filter */ + { + for (i = 0; i < im_h; i += 2) { + __m256i data = _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)&src_ptr[(i * src_stride) + j])); + if (i + 1 < im_h) + data = _mm256_inserti128_si256( + data, + _mm_loadu_si128( + (__m128i *)&src_ptr[(i * src_stride) + j + src_stride]), + 1); + __m256i res = convolve_lowbd_x(data, coeffs_x, filt); + + res = _mm256_sra_epi16(_mm256_add_epi16(res, round_const_h), + round_shift_h); + + _mm256_store_si256((__m256i *)&im_block[i * im_stride], res); + } + } + + /* Vertical filter */ + { + __m256i s0 = _mm256_loadu_si256((__m256i *)(im_block + 0 * im_stride)); + __m256i s1 = _mm256_loadu_si256((__m256i *)(im_block + 1 * im_stride)); + __m256i s2 = _mm256_loadu_si256((__m256i *)(im_block + 2 * im_stride)); + __m256i s3 = _mm256_loadu_si256((__m256i *)(im_block + 3 * im_stride)); + __m256i s4 = _mm256_loadu_si256((__m256i *)(im_block + 4 * im_stride)); + __m256i s5 = _mm256_loadu_si256((__m256i *)(im_block + 5 * im_stride)); + + s[0] = _mm256_unpacklo_epi16(s0, s1); + s[1] = _mm256_unpacklo_epi16(s2, s3); + s[2] = _mm256_unpacklo_epi16(s4, s5); + + s[4] = _mm256_unpackhi_epi16(s0, s1); + s[5] = _mm256_unpackhi_epi16(s2, s3); + s[6] = _mm256_unpackhi_epi16(s4, s5); + + for (i = 0; i < h; i += 2) { + const int16_t *data = &im_block[i * im_stride]; + + const __m256i s6 = + _mm256_loadu_si256((__m256i *)(data + 6 * im_stride)); + const __m256i s7 = + _mm256_loadu_si256((__m256i *)(data + 7 * im_stride)); + + s[3] = _mm256_unpacklo_epi16(s6, s7); + s[7] = _mm256_unpackhi_epi16(s6, s7); + + const __m256i res_a = convolve(s, coeffs_y); + const __m256i res_a_round = _mm256_sra_epi32( + _mm256_add_epi32(res_a, round_const_v), round_shift_v); + + if (w - j > 4) { + const __m256i res_b = convolve(s + 4, coeffs_y); + const __m256i res_b_round = _mm256_sra_epi32( + _mm256_add_epi32(res_b, round_const_v), round_shift_v); + const __m256i res_16b = _mm256_packs_epi32(res_a_round, res_b_round); + const __m256i res_unsigned = _mm256_add_epi16(res_16b, offset_const); + + if (do_average) { + const __m256i data_ref_0 = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]))), + _mm256_castsi128_si256(_mm_loadu_si128( + (__m128i *)(&dst[i * dst_stride + j + dst_stride]))), + 0x20); + + const __m256i comp_avg_res = + comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_comp_avg); + + const __m256i round_result = convolve_rounding( + &comp_avg_res, &offset_const, &rounding_const, rounding_shift); + + const __m256i res_8 = + _mm256_packus_epi16(round_result, round_result); + const __m128i res_0 = _mm256_castsi256_si128(res_8); + const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); + + _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); + _mm_storel_epi64( + (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); + } else { + const __m128i res_0 = _mm256_castsi256_si128(res_unsigned); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0); + + const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), + res_1); + } + } else { + const __m256i res_16b = _mm256_packs_epi32(res_a_round, res_a_round); + const __m256i res_unsigned = _mm256_add_epi16(res_16b, offset_const); + + if (do_average) { + const __m256i data_ref_0 = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]))), + _mm256_castsi128_si256(_mm_loadu_si128( + (__m128i *)(&dst[i * dst_stride + j + dst_stride]))), + 0x20); + + const __m256i comp_avg_res = + comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_comp_avg); + + const __m256i round_result = convolve_rounding( + &comp_avg_res, &offset_const, &rounding_const, rounding_shift); + + const __m256i res_8 = + _mm256_packus_epi16(round_result, round_result); + const __m128i res_0 = _mm256_castsi256_si128(res_8); + const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); + + *(uint32_t *)(&dst0[i * dst_stride0 + j]) = + _mm_cvtsi128_si32(res_0); + *(uint32_t *)(&dst0[i * dst_stride0 + j + dst_stride0]) = + _mm_cvtsi128_si32(res_1); + + } else { + const __m128i res_0 = _mm256_castsi256_si128(res_unsigned); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0); + + const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), + res_1); + } + } + + s[0] = s[1]; + s[1] = s[2]; + s[2] = s[3]; + + s[4] = s[5]; + s[5] = s[6]; + s[6] = s[7]; + } + } + } +} + +void av1_jnt_convolve_2d_copy_avx2(const uint8_t *src, int src_stride, + uint8_t *dst0, int dst_stride0, int w, int h, + InterpFilterParams *filter_params_x, + InterpFilterParams *filter_params_y, + const int subpel_x_q4, const int subpel_y_q4, + ConvolveParams *conv_params) { + const int bd = 8; + CONV_BUF_TYPE *dst = conv_params->dst; + int dst_stride = conv_params->dst_stride; + (void)filter_params_x; + (void)filter_params_y; + (void)subpel_x_q4; + (void)subpel_y_q4; + + const int bits = + FILTER_BITS * 2 - conv_params->round_1 - conv_params->round_0; + const __m128i left_shift = _mm_cvtsi32_si128(bits); + const int do_average = conv_params->do_average; + const int use_jnt_comp_avg = conv_params->use_jnt_comp_avg; + const int w0 = conv_params->fwd_offset; + const int w1 = conv_params->bck_offset; + const __m256i wt0 = _mm256_set1_epi16(w0); + const __m256i wt1 = _mm256_set1_epi16(w1); + const __m256i wt = _mm256_unpacklo_epi16(wt0, wt1); + const __m256i zero = _mm256_setzero_si256(); + + const int offset_0 = + bd + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + const int offset = (1 << offset_0) + (1 << (offset_0 - 1)); + const __m256i offset_const = _mm256_set1_epi16(offset); + const int rounding_shift = + 2 * FILTER_BITS - conv_params->round_0 - conv_params->round_1; + const __m256i rounding_const = _mm256_set1_epi16((1 << rounding_shift) >> 1); + int i, j; + + if (!(w % 16)) { + for (i = 0; i < h; i += 1) { + for (j = 0; j < w; j += 16) { + const __m256i src_16bit = _mm256_cvtepu8_epi16( + _mm_loadu_si128((__m128i *)(&src[i * src_stride + j]))); + + const __m256i res = _mm256_sll_epi16(src_16bit, left_shift); + const __m256i res_unsigned = _mm256_add_epi16(res, offset_const); + + if (do_average) { + const __m256i data_ref_0 = + _mm256_loadu_si256((__m256i *)(&dst[i * dst_stride + j])); + + const __m256i comp_avg_res = + comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_comp_avg); + + const __m256i round_result = convolve_rounding( + &comp_avg_res, &offset_const, &rounding_const, rounding_shift); + + const __m256i res_8 = _mm256_packus_epi16(round_result, round_result); + const __m256i res_0 = _mm256_permute4x64_epi64(res_8, 0xD8); + + _mm_store_si128((__m128i *)(&dst0[i * dst_stride0 + j]), + _mm256_castsi256_si128(res_0)); + } else { + _mm256_store_si256((__m256i *)(&dst[i * dst_stride + j]), + res_unsigned); + } + } + } + } else if (!(w % 4)) { + for (i = 0; i < h; i += 2) { + for (j = 0; j < w; j += 8) { + const __m128i src_row_0 = + _mm_loadl_epi64((__m128i *)(&src[i * src_stride + j])); + const __m128i src_row_1 = + _mm_loadl_epi64((__m128i *)(&src[i * src_stride + j + src_stride])); + // since not all compilers yet support _mm256_set_m128i() + const __m256i src_10 = _mm256_insertf128_si256( + _mm256_castsi128_si256(src_row_0), src_row_1, 1); + + const __m256i src_16bit = _mm256_unpacklo_epi8(src_10, zero); + + const __m256i res = _mm256_sll_epi16(src_16bit, left_shift); + + const __m256i res_unsigned = _mm256_add_epi16(res, offset_const); + + // Accumulate values into the destination buffer + if (do_average) { + const __m256i data_ref_0 = _mm256_permute2x128_si256( + _mm256_castsi128_si256( + _mm_loadu_si128((__m128i *)(&dst[i * dst_stride + j]))), + _mm256_castsi128_si256(_mm_loadu_si128( + (__m128i *)(&dst[i * dst_stride + j + dst_stride]))), + 0x20); + + const __m256i comp_avg_res = + comp_avg(&data_ref_0, &res_unsigned, &wt, use_jnt_comp_avg); + + const __m256i round_result = convolve_rounding( + &comp_avg_res, &offset_const, &rounding_const, rounding_shift); + + const __m256i res_8 = _mm256_packus_epi16(round_result, round_result); + const __m128i res_0 = _mm256_castsi256_si128(res_8); + const __m128i res_1 = _mm256_extracti128_si256(res_8, 1); + + if (w > 4) { + _mm_storel_epi64((__m128i *)(&dst0[i * dst_stride0 + j]), res_0); + _mm_storel_epi64( + (__m128i *)((&dst0[i * dst_stride0 + j + dst_stride0])), res_1); + } else { + *(uint32_t *)(&dst0[i * dst_stride0 + j]) = + _mm_cvtsi128_si32(res_0); + *(uint32_t *)(&dst0[i * dst_stride0 + j + dst_stride0]) = + _mm_cvtsi128_si32(res_1); + } + } else { + const __m128i res_0 = _mm256_castsi256_si128(res_unsigned); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j]), res_0); + + const __m128i res_1 = _mm256_extracti128_si256(res_unsigned, 1); + _mm_store_si128((__m128i *)(&dst[i * dst_stride + j + dst_stride]), + res_1); + } + } + } + } +} |